Moved input checking code to check_input() function.

Author: 0xcyb3rw0lf

IMAGES & PHOTO SCRIPTS/Image-Inverter/inverter.py

@@ -4,12 +4,15 @@
 from PIL import ImageOps
 import sys, os
 
-def main():
- # if the script is called with no input
+def check_input():
+ """ Checks if the script is called with no input parameters. """
  if len(sys.argv) == 1:
-  print("Please provide files to operate on!")
+  print("Please provide image files to operate on!")
   sys.exit(1)
 
+def main():
+ check_input()
+
  i = 0
  for file in sys.argv: 
   # ignore the first parameter -> the script call